---
title: CILineOverlay
framework: coreimage
role: symbol
role_heading: Protocol
path: coreimage/cilineoverlay
---

# CILineOverlay

The properties you use to configure a line overlay filter.

## Declaration

```swift
protocol CILineOverlay : CIFilterProtocol
```

## Topics

### Instance Properties

- [nrNoiseLevel](coreimage/cilineoverlay/nrnoiselevel.md)
- [nrSharpness](coreimage/cilineoverlay/nrsharpness.md)
- [contrast](coreimage/cilineoverlay/contrast.md)
- [edgeIntensity](coreimage/cilineoverlay/edgeintensity.md)
- [inputImage](coreimage/cilineoverlay/inputimage.md)
- [threshold](coreimage/cilineoverlay/threshold.md)

## Relationships

### Inherits From

- [CIFilterProtocol](coreimage/cifilterprotocol.md)

## See Also

### Related Documentation

- [lineOverlay()](coreimage/cifilter-swift.class/lineoverlay().md)

### Protocols

- [CIBlendWithMask](coreimage/ciblendwithmask.md)
- [CIBloom](coreimage/cibloom.md)
- [CICannyEdgeDetector](coreimage/cicannyedgedetector.md)
- [CIComicEffect](coreimage/cicomiceffect.md)
- [CICoreMLModel](coreimage/cicoremlmodel.md)
- [CICrystallize](coreimage/cicrystallize.md)
- [CIDepthOfField](coreimage/cidepthoffield.md)
- [CIEdgeWork](coreimage/ciedgework.md)
- [CIEdges](coreimage/ciedges.md)
- [CIGaborGradients](coreimage/cigaborgradients.md)
- [CIGloom](coreimage/cigloom.md)
- [CIHeightFieldFromMask](coreimage/ciheightfieldfrommask.md)
- [CIHexagonalPixellate](coreimage/cihexagonalpixellate.md)
- [CIHighlightShadowAdjust](coreimage/cihighlightshadowadjust.md)
- [CIMix](coreimage/cimix.md)